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There is psychological and neurobiological evidence that number and language processing present some specificities and may dissociate after brain damage. Furthermore, animals and babies seem to be able to discriminate small numerosities in a non-symbolic way. However, one of the specificities of the human species is the development of language and symbolic processes. The acquisition and development of arithmetic is thus bound to the acquisition of language and symbolic notations.In this special issue, the relationship between language and number processing is discussed through the examination of the similarities and divergences of language and number disorders in aphasic subjects, in patients with dementia, and in children with specific acquisition deficits. A separate contribution is also devoted to the rehabilitation of number and calculation deficits in brain-lesioned subjects.
This special issue of the journal Aphasiologyis dedicated to the topic of quality of life in aphasia.
Linguistic errors are manifold, e.g. in the mother tongue, in the acquisition of foreign languages, in translations, as slip of the tongue or typo. The present compilation of all subject-related publications is a comprehensive bibliography for the field of linguistic errors. In a compact introduction, Bernd Spillner additionally provides an overview of linguistic, didactic and psycholinguistic methods of the analysis and assessment of the errors and their therapy. For the first time, publications from numerous countries around the world were included which have not yet been considered. With the attached CD-ROM making the bibliography searchable for keywords in many languages to find relevant publications among the more than 6.000 titles, this is a very useful handbook for all linguists and teachers.
This issue includes studies demonstrating how advanced imaging techniques and new methods of recording brain function can reveal areas of the brain that are essential for specific language processes. The first two papers report use of arterial spin labelling (ASL) perfusion MRI to identify areas of poor blood flow (hypoperfusion) that have impaired neural function. The first paper describes a group study that demonstrates that severity of language impairment in aphasic patients is more strongly correlated with extent of hypoperfused tissue than with extent of infarct. The second paper is a detailed single case study of a patient with reading impairment. While conventional MRI in this patient...